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PDF LIS3LV02DQ Data sheet ( Hoja de datos )

Número de pieza LIS3LV02DQ
Descripción MEMS INERTIAL SENSOR
Fabricantes STMicroelectronics 
Logotipo STMicroelectronics Logotipo



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LIS3LV02DQ
MEMS INERTIAL SENSOR
3-Axiswww.datasheet4u.com - ±2g/±6g Digital Output Low Voltage Linear Accelerometer
Features
2.16V TO 3.6V SINGLE SUPPLY
OPERATION
1.8V COMPATIBLE IOs
I2C/SPI DIGITAL OUTPUT INTERFACES
PROGRAMMABLE 12 or 16 BIT DATA
REPRESENTATION
INTERRUPT ACTIVATED BY MOTION
PROGRAMMABLE INTERRUPT
THRESHOLD
EMBEDDED SELF TEST
HIGH SHOCK SURVIVABILITY
ECO-PACK COMPLIANT
Description
The LIS3LV02DQ is a three axes digital output
linear accelerometer that includes a sensing
element and an IC interface able to take the
information from the sensing element and to
provide the measured acceleration signals to the
external world through an I2C/SPI serial interface.
The sensing element, capable of detecting the
acceleration, is manufactured using a dedicated
process developed by ST to produce inertial
sensors and actuators in silicon.
The IC interface instead is manufactured using a
CMOS process that allows high level of integration
to design a dedicated circuit which is factory
Order codes
Part number
LIS3LV02DQ
LIS3LV02DQ-TR
Op. Temp. range, °C
-40 to +85
-40 to +85
QFPN-28
trimmed to better match the sensing element
characteristics.
The LIS3LV02DQ has a user selectable full scale
of ±2g, ±6g and it is capable of measuring
acceleration over a bandwidth of 640 Hz for all
axes. The device bandwidth may be selected
accordingly to the application requirements. A
self-test capability allows the user to check the
functioning of the system
The device may be configured to generate an
inertial wake-up/free-fall interrupt signal when a
programmable acceleration threshold is crossed
at least in one of the three axes.
The LIS3LV02DQ is available in plastic SMD
package and it is specified over a temperature
range extending from -40°C to +85°C.
The LIS3LV02DQ belongs to a family of products
suitable for a variety of applications:
Free-Fall detection
Motion activated functions in portable terminals
Antitheft systems and Inertial navigation
Gaming and Virtual Reality input devices
Vibration Monitoring and Compensation
Package
QFPN-28
QFPN-28
Packing
Tray
Tape and Reel
October 2005
CD00047926
Rev 1
1/42
www.st.com
42

1 page




LIS3LV02DQ pdf
LIS3LV02DQ
1 Block Diagram & Pin Description
1 Block Diagram & Pin Description
www.datas1he.e1t4u.comBlock diagram
Figure 1. Block Diagram
a
X+
Y+
Z+
MUX
Z-
Y-
X-
CHARGE
AMPLIFIER
DE
MUX
Σ∆
Σ∆
Σ∆
Reconstruction
Filter
Reconstruction
Filter
Reconstruction
Filter
Regs
Array
I2C
SPI
CS
SCL/SPC
SDA/SDO/SDI
SDO
SELF TEST
REFERENCE
TRIMMING
CIRCUITS
CLOCK
CONTROL LOGIC
&
INTERRUPT GEN.
RDY/INT
1.2 QFPN-28 Pin description
Figure 2. Pin Connection
Z1
Y
X
DIRECTION OF THE
DETECTABLE
ACCELERATIONS
28 22
NC 1
GND
VDD
Reserved
GND
RDY/INT
NC 7
LIS3LV02DQ
(TOP VIEW)
21 NC
Reserved
VDD
Reserved
GND
CK
15 NC
8 14
CD00047926
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LIS3LV02DQ arduino
LIS3LV02DQ
2 Mechanical and Electrical specifications
2.2 Electrical characteristics1
Table 4.
www.datasheet4u.com
Symbol
Electrical Characteristics
(All the parameters are specified @ Vdd=2.5V, T=25°C unless otherwise noted)
Parameter
Test conditions
Min.
Typ.2
Max.
Vdd Supply voltage
Vdd_IO I/O pads Supply voltage
Idd Supply current
VIH
VIL
VOH
Digital High level Input
voltage
Digital Low level Input
voltage
High level Output Voltage
T = 25°C, Vdd=2.5V
T = 25°C, Vdd=3.3V
VOL Low level Output Voltage
IddPdn
ODR1
ODR2
ODR3
ODR4
BW
Ton
Top
Current consumption in
Power-down mode
Output Data Rate1
Output Data Rate 2
Output Data Rate 3
Output Data Rate 4
System Bandwidth3
Turn-on time4
Operating Temperature
Range
T = 25°C
Dec factor = 512
Dec factor = 128
Dec factor = 32
Dec factor = 8
2.16 2.5
3.6
1.71 Vdd
0.60 0.75
0.65 0.80
0.8*Vdd
_IO
0.2*Vdd
_IO
0.9*Vdd
_IO
0.1*Vdd
_IO
1 10
40
160
640
2560
ODRx/4
5/ODRx
-40 +85
Unit
V
V
mA
mA
V
V
V
V
µA
Hz
Hz
Hz
Hz
Hz
s
°C
Note: 1 The product is factory calibrated at 2.5V. The device can be used from 2.16V to 3.6V
2 Typical specifications are not guaranteed
3 Digital filter cut-off frequency
4 Time to obtain valid data after exiting Power-Down mode
CD00047926
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